<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .wrapper {
            width: 350px;
        }
        h1 {
            background-color: lightblue;
            color: red;
        }
        p {
            background-color: yellow;
        }
    </style>
</head>
<body>
    <div class="wrapper">
        <h1>今日家庭作业--类选择器</h1>
        <p>今天的家庭作业是，完成该效果，该段落使用十六进
        制颜色值进行修饰</p>
        <p>Today's Homeworks Is To Complete The Effect</p>
        <p>today's homeworks is to complete the effect</p>
        <p>完成作业在屏幕中弹幕回复，***同学作业已完成</p>
        <p>HOMEWORKs HAS BEEN FINISHED</p>
    </div>
</body>
</html>